Q7:
AS & A Level Biology - 9700 Paper 1 2021 Winter Zone 1
Share
Previous
Questions:
7/40
Topic: CH2 - BIOLOGICAL MOLECULES
Solution
Solution is A
PRACTISE
Similar Questions
LEARN
Concepts with Sparky
More Questions from this Topic
MCQ
CH2 - BIOLOGICAL MOLECULES
Which statement about triglycerides is correct?
Spring
3
MCQ
CH2 - BIOLOGICAL MOLECULES
Two solutions, 1 and 2, each contained a mix of two different biological molecules. One solution contained starch and sucrose, and the other contained...
Winter
5
MCQ
CH2 - BIOLOGICAL MOLECULES
The diagrams show parts of three pairs of amino acids within a protein. The pairs are labelled X, Y and Z. Which row shows the correct type of intera...
Winter
5
MCQ
CH2 - BIOLOGICAL MOLECULES
Which row correctly identifies the weak and strong bonds in the tertiary and quaternary structure of a typical protein? [Table_1]
Summer
3
MCQ
CH2 - BIOLOGICAL MOLECULES
The diagram shows the structure of part of a peptidoglycan molecule. Which type of 1,4 linkage and how many peptide bonds are shown in this part of ...
Spring
4
MCQ
CH2 - BIOLOGICAL MOLECULES
Which row correctly describes haemoglobin? [Table_1]
Summer
3
MCQ
CH2 - BIOLOGICAL MOLECULES
Which row is correct for the structures present in typical plant cells and typical animal cells?[Table_1]
Summer
3
MCQ
CH2 - BIOLOGICAL MOLECULES
Which row is correct for cellulose? [Table_1: rotation of alternate monomers by 180° shape of molecule hydrogen bonds between molecules]
Summer
3
MCQ
CH2 - BIOLOGICAL MOLECULES
What is the maximum number of hydrogen bonds that can form between a single water molecule and other water molecules?
Summer
3
MCQ
CH2 - BIOLOGICAL MOLECULES
Which statements about peptide bond formation are correct?1. The bond formation occurs between a carbon of one amino acid and a nitrogen of the next a...
Summer
3
More Questions from year 2021
Theory
CH9 - GAS EXCHANGE AND SMOKING
(a) Fig. 1.1 is an image of a transverse section through the trachea of the gas exchange system.Write the names of structures X and Y on Fig. 1.1 in t...
Spring
3
Theory
CH2 - BIOLOGICAL MOLECULES
Starch molecules are the main storage molecules in many types of cereal grain, such as the grainof the barley plant.(a) When the seed inside a barley ...
Spring
3
Theory
CH11 - IMMUNITY
T-helper lymphocytes and Leydig cells are two types of mammalian cells. The main role of T-helper lymphocytes and Leydig cells is to synthesise and se...
Spring
3
Theory
CH8 - TRANSPORT IN MAMMALS
(a) Using a light microscope at a magnification of ×400, it is possible to identify different types of blood cell in prepared slides of mammalian blo...
Spring
3
Theory
CH5 - THE MITOTIC CELL CYCLE
Each meristem cell in a leaf bud is able to grow and divide by mitosis to produce two daughter cells that are genetically identical to each other and ...
Spring
3
Theory
CH10 - INFECTIOUS DISEASE
In March 2019, a tropical cyclone in the south-west Indian Ocean caused widespread flooding in a number of countries.The flooding and the damage cause...
Spring
3
Theory
CH17 - SELECTION AND EVOLUTION
(a) The European eel, Anguilla anguilla, is a fish. The sizes of eel populations tend to remain relatively stable despite eels producing large numbers...
Spring
3
Theory
CH18 - BIODIVERSITY, CLASSIFICATION AND CONSERVATION
(a) The grey wolf, *Canis lupus*, is a large predator. During the 20th century, the grey wolf in south-west Europe was hunted almost to extinction.Fig...
Spring
3
Theory
CH19 - GENETIC TECHNOLOGY
Vitamin A deficiency is a widespread public health problem.One source of vitamin A is carotene in the diet. Carotene can be converted to vitamin A in ...
Spring
2
Theory
CH13 - PHOTOSYNTHESIS
Red algae are multicellular photosynthetic prototists that contain phycoerythrin. Phycoerythrin is a photosynthetic pigment.(a) Fig. 4.1 shows:• the...
Spring
3